[Android] Prompt with infobar on filename conflict

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadManagerService.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.download;
 
 import android.app.DownloadManager;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ skipping 637 matching lines @@
                 // See crbug.com/143499 for more details.
                 Log.e(TAG, "Download failed: " + e);
                 mErrorId = R.string.cannot_download_generic;
                 return false;
             }
             return true;
         }
 
         @Override
         protected void onPostExecute(Boolean result) {
-            boolean isPendingOMADownload = mOMADownloadHandler.isPendingOMADownload(
-                    (long) mDownloadInfo.getDownloadId());
+            boolean isPendingOMADownload =
+                    mOMADownloadHandler.isPendingOMADownload(mDownloadInfo.getDownloadId());
             if (!result) {
                 Toast.makeText(mContext, mErrorId, Toast.LENGTH_SHORT).show();
                 if (isPendingOMADownload) {
                     mOMADownloadHandler.onDownloadFailed(
                             mDownloadInfo, DownloadManager.ERROR_UNKNOWN, null);
                 }
                 return;
             }
             Toast.makeText(mContext, R.string.download_pending, Toast.LENGTH_SHORT).show();
             if (isPendingOMADownload) {
@@ skipping 40 matching lines @@
      * Returns true if the download meant to be treated as an attachment.
      *
      * @param contentDisposition Content disposition of the download.
      * @return true if the downloaded is an attachment, or false otherwise.
      */
     public static boolean isAttachment(String contentDisposition) {
         return contentDisposition != null
                 && contentDisposition.regionMatches(true, 0, "attachment", 0, 10);
     }
 }